Frame for a stack chair



FIG. 1 is a front perspective view of a frame for a stack chair showing my design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a side elevational view thereof, the opposite side being a mirror image.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a plan view thereof.

FIG. 6 is a cross-sectional view taken along the line 6--6 of FIG. 4.

FIG. 7 is a cross-sectional view taken along the line 7--7 of FIG. 4. 

The ornamental design for a frame for a stack chair, as shown and described. 